Skull welding helmet



FIG. 1 is a front view of a skull welding helmet showing my new design;

FIG. 2 is a right side view thereof, the left side being a mirror image;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear view thereof.

The broken line boundary and portions of the article within the brokenlines in FIGS. 4-6 form no part of the claimed design.

The ornamental design for a skull welding helmet, as shown anddescribed.